<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ko" lang="ko">
<head>
    <title>支付二维码</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
    <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no"/>
    <script type="text/javascript" src="//cdn.staticfile.org/jquery/2.1.1/jquery.min.js"></script>
    <script type="text/javascript" src="//static.runoob.com/assets/qrcode/qrcode.min.js"></script>
</head>
<body>
<input id="text" type="hidden" value="{{url}}" style="width:80%"/><br/>
<h3 style="text-align: center; color: #00a2ed;">{{pay_name}}扫码</h3>
<h4 style="text-align: center; ">订单号：{{pay_order}}</h4>
<div id="qrcode" style="width:250px; height:250px; margin: auto;"></div>
<h3 style="text-align: center; color: red">交易金额：{{pay_money}}元</h3>

<script type="text/javascript">
    var qrcode = new QRCode(document.getElementById("qrcode"), {
        width: 250,
        height: 250
    });

    function makeCode() {
        var elText = document.getElementById("text");

        if (!elText.value) {
            alert("Input a text");
            elText.focus();
            return;
        }

        qrcode.makeCode(elText.value);
    }

    makeCode();

    $("#text").on("blur", function () {
        makeCode();
    }).on("keydown", function (e) {
        if (e.keyCode == 13) {
            makeCode();
        }
    });
</script>
</body>
</html>
